NAICS 327992: Ground or Treated Mineral and Earth Manufacturing
This U.S. industry comprises establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals.

ExioML sector: Other non-metallic mineral products
Region: US | Year: 2022
Sector value added: 7267.28241345 M EUR | Employment: 50.0959097238 thousand persons
Sector GHG emissions: 3814794224.23 kg CO2 eq | Energy carrier net total: 91162.3046969 TJ | Carbon intensity: 0.5249272021092409

Company: Imerys Minerals California Inc
The company mines and produces industrial minerals, including diatomite and perlite, through subsidiaries Celite Corporation (diatomaceous earth products) and Harborlite Corporation (perlite products). Diatomite is primarily sold to customers for use in filtering and as a filler in paints.